Door operator unit



FIG. 1 is a rear view of a door operator unit;

FIG. 2 is a right side view of a door operator unit;

FIG. 3 is a bottom view of a door operator unit;

FIG. 4 is top view of a door operator unit;

FIG. 5 is a front view of a door operator unit;

FIG. 6 is a rear isometric view of a door operator unit; and,

FIG. 7 is a front isometric view of a door operator unit.

The broken lines shown are included for the purpose of illustrating portions of the door operator unit that form no part of the claim. 

CLAIM The ornamental design for a door operator unit, as shown and described. 